Ptak, P. 2018. APPLICATION OF MULTISIM AND LTSPICE SOFTWARE PACKAGES TO SIMULATE THE OPERATION OF ELECTRONIC COMPONENTS AS AN ALTERNATIVE TO MEASUREMENTS OF REAL ELEMENTS. SOCIETY. INTEGRATION. EDUCATION. Proceedings of the International Scientific Conference. 5, (May 2018), 409–419. DOI:https://doi.org/10.17770/sie2018vol1.3120.